Fixed a bug with interpreter peeling introduced in #1510 (#1578)

Lack of support for all the varieties of lambda function in Rhino in the new "interpreter peeling" code introduced to make continuations work better was holding back additional conversions to lambda functions.

Author: andreabergia

rhino/src/main/java/org/mozilla/javascript/Interpreter.java

@@ -1784,6 +1784,8 @@ private static Object interpretLoop(Context cx, CallFrame frame, Object throwabl
                                             ArrowFunction afun = (ArrowFunction) fun;
                                             fun = afun.getTargetFunction();
                                             funThisObj = afun.getCallThis(cx);
+                                        } else if (fun instanceof LambdaConstructor) {
+                                            break;
                                         } else if (fun instanceof LambdaFunction) {
                                             fun = ((LambdaFunction) fun).getTarget();
                                         } else if (fun instanceof BoundFunction) {

tests/src/test/java/org/mozilla/javascript/tests/LambdaFunctionTest.java

@@ -37,7 +37,8 @@ public void cleanup() {
     }
 
     private void eval(String source) {
-        cx.evaluateString(root, source, "test.js", 1, null);
+        Utils.runWithAllOptimizationLevels(
+                ignored -> cx.evaluateString(root, source, "test.js", 1, null));
     }
 
     @Test